<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <!-- 表单 -->
      <el-form ref="LoginFormRef" :model="loginForm" label-width="0" :rules="LoginFormRules" class="login_form">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" type="password"></el-input>
        </el-form-item>
        <el-form-item prop="role">
        <el-select v-model="loginForm.role">
          <el-option label="学生" :value="1"></el-option>
          <el-option label="教师" :value="2"></el-option>
          <el-option label="管理员" :value="3"></el-option>
        </el-select>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
      <div style="clear:both"></div>
    </div>

  </div>
</template>

<script>
  export default {
    data() {
      return {
        loginForm:{
          username:'zhangsan',
          password:'123456',
          role:1
        },
        LoginFormRules:{
          username:[
            { required: true, message: '请输入用户名', trigger: 'blur' },
          ],
          password:[
            { required: true, message: '请输入密码', trigger: 'blur' },
          ]
        }
      }
    },
    methods: {
      resetLoginForm() {
        this.$refs.LoginFormRef.resetFields()
      },
      login() {
        this.$refs['LoginFormRef'].validate((valid) => {
          if (valid) {
            //this.axios.get('/admin/login/'+this.loginForm.username+'/'+this.loginForm.password)
            this.axios.get("/user/login?idcard="+this.loginForm.username+"&pwd="+this.loginForm.password+"&role="+this.loginForm.role)
              .then(resp=>{
                if(resp.data){
                  this.$message.success("登陆成功！");
                  //让前端保存一下用户的登录信息
                  sessionStorage.setItem("username",this.loginForm.username);
                  sessionStorage.setItem("role",this.loginForm.role);
                  this.$router.push("/manager");
                }else{
                  this.$message.error("登陆失败");
                }
              }).catch(()=>{
              this.$message.error("登陆失败");
            })
          }
        })
      }
    }
  }
</script>

<style scoped>
  .login_container{
    background-color: #409EFF;
    height: 50vh;
  }

  .login_box{
    width: 450px;
    height: 300px;
    background-color: #F2F0F0;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%)
  }

  .avatar_box{
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left:50%;
    transform: translate(-50%,-50%);
    background-color: #fff;

  }

  .avatar_box img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
  .login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
  }

  .btns{
    display: flex;
    justify-content:flex-end;
  }
</style>>

